Door latching unit



FIG. 1 is a perspective view of a door latching unit showing my newdesign;

FIG. 2 is a top plan view thereof, the broken-line showing of a fragmentof a door and frame being for illustrative purposes only and forming nopart of the claimed design;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a perspective view thereof, with the thumbnut unthreadedslightly and the bolt shown rotated downward to a disengaged position.

The ornamental design for a door latching unit, as shown and described.